Answer:
who think
Step-by-step explanation:
72 is dividable by 3. It is divisible by 3 because when you add 7 and 2, you get 9. According to the tests for divisibility, if the sum of the digits is divisible by 3, then the whole number is. 9 is divisible by 3, therefore 72 is as well.
Hi,
Work:
Equation;

Roots: (-9, 0), (8, 0)
Domain: x = R
Minimum: (-1/2, -289/4)
Vertical intercept: (0, -72)
Hope this helps.
r3t40
1. Y=-1/2x+1/2
2.Y=-2x-8
3.Y=-3/2x+2
4. Y=-4x-16
5.Y=-4/7x+2